package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品");
        dishService.save(dishDTO);
        //新增菜品要清理缓存数据
        String pattern = "dish_" + dishDTO.getCategoryId();
        clearRedisCache(pattern);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> find(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询");
        PageResult pageResult =  dishService.find(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("批量删除菜品");
        dishService.delete(ids);
        String pattern = "dish_*";
        clearRedisCache(pattern);
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> selectById(@PathVariable Long id){
        log.info("根据id查询菜品");
        DishVO dishVO = dishService.selectById(id);
        return Result.success(dishVO);
    }
    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateDishAndFlavor(@RequestBody DishDTO dishDTO){
        log.info("修改菜品");
        dishService.updateDishAndFlavor(dishDTO);
        String pattern = "dish_*";
        clearRedisCache(pattern);
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result setStatus(@PathVariable Integer status, Long id){
        log.info("菜品起售、停售");
        dishService.setStatus(status, id);
        String pattern = "dish_*";
        clearRedisCache(pattern);
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类查询菜品")
    public Result<List<DishVO>> list(Long categoryId){
        List<DishVO> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void clearRedisCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
